OM4085 Philips Semiconductors, OM4085 Datasheet - Page 14

• Manufacturer Part Number: OM4085
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

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Fig.10 Relationships between LCD layout, drive mode, display RAM filling order and display data transmitted over the I
drive mode
static
1 : 2
multiplex
1 : 3
multiplex
1 : 4
multiplex
unchanged).
S
S
S
S
S
S
S
S
S
S
S
n
n
n
n
n
n
n
n
n
n
n
LCD segments
1
3
5
6
S n
2
3
S n
2
4
1
1
2
e
e
e
e
f
f
f
f
d
d
d
d
g
g
g
g
a
a
a
a
c
c
c
c
b
b
b
b
S
S
S n
S n
n
n
DP
DP
DP
DP
1
7
BP1
BP0
BP1
BP0
BP0
BP0
LCD backplanes
BP1
BP2
BP2
BP3
bit/
BP
bit/
BP
bit/
BP
bit/
BP
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
DP
DP
n
c
x
x
x
n
a
b
x
x
n
b
c
x
n
a
c
b
n 1
n 1
n 1
n 1
b
x
x
x
f
g
x
x
a
d
g
x
f
e
g
d
display RAM filling order
n 2
n 2
n 2
a
x
x
x
e
c
x
x
f
e
x
x
n 3
n 3
f
x
x
x
d
DP
x
x
n 4
g
x
x
x
n 5
e
x
x
x
n 6
d
x
x
x
n 7
DP
x
x
x
transmitted display byte
2
MSB
MSB
MSB
MSB
c b a f
a b f
b DP c a d g f
a c b DP f
C-bus (X = data bit
g e c d DP
g e d DP
e g d
MBE534
LSB
LSB
LSB
LSB
e